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A couple of minor sanity checks.

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Submitted by: Nick Hibma <nick.hibma@jrc.it>
This commit is contained in:
Doug Rabson 1998-11-15 18:11:21 +00:00
parent 48a39a495a
commit 921433915d
1 changed files with 10 additions and 4 deletions
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14
sys/kern/subr_bus.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: subr_bus.c,v 1.9 1998/11/13 09:39:37 dfr Exp $
* $Id: subr_bus.c,v 1.10 1998/11/14 21:58:51 wollman Exp $
*/
#include <sys/param.h>
@ -420,6 +420,9 @@ devclass_add_device(devclass_t dc, device_t dev)
static int
devclass_delete_device(devclass_t dc, device_t dev)
{
if (!dc || !dev)
return 0;
PDEBUG(("%s in devclass %s", DEVICENAME(dev), DEVCLANAME(dc)));
if (dev->devclass != dc
@ -508,7 +511,10 @@ device_add_child(device_t dev, const char *name, int unit, void *ivars)
child = make_device(dev, name, unit, ivars);
TAILQ_INSERT_TAIL(&dev->children, child, link);
if (child)
TAILQ_INSERT_TAIL(&dev->children, child, link);
else
PDEBUG(("%s failed", name));
return child;
}
@ -798,7 +804,7 @@ int
device_probe_and_attach(device_t dev)
{
device_t bus = dev->parent;
int error;
int error = 0;
if (dev->state >= DS_ALIVE)
return 0;
@ -822,7 +828,7 @@ device_probe_and_attach(device_t dev)
printf("not probed (disabled)\n");
}
return 0;
return error;
}
int